EPOS SENNHEISER IMPACT D 10 Series User manual

User Guide
IMPACT D 10 Series
Wireless DECT Headset System
IMPACT D 10 Series headset system
Contents1
Contents
Package contents.......................................................................................................................................................................................................2
Base stations with components...................................................................................................................................................................................................................... 2
Headsets with components................................................................................................................................................................................................................................ 2
Product overview........................................................................................................................................................................................................3
Overview of the base station ............................................................................................................................................................................................................................ 3
Overview of the headset....................................................................................................................................................................................................................................... 5
Overview of the buttons ...................................................................................................................................................................................................................................... 6
Overview of the LEDs...............................................................................................................................................................................................................................................7
Setting up and connecting the base station..........................................................................................................................................8
Setting up the base station.................................................................................................................................................................................................................................8
Connecting the base station to the mains power supply..........................................................................................................................................................8
Connecting the base station to a xed line phone........................................................................................................................................................................ 9
Connecting the base station to a computer.......................................................................................................................................................................................11
Charging the headset.............................................................................................................................................................................................................................................11
Individually adjusting the headset................................................................................................................................................................12
Using the headset with the ear hook........................................................................................................................................................................................................12
Using the headset with the headband.....................................................................................................................................................................................................13
Conguring the headset system...................................................................................................................................................................14
Adjusting the headset system using the DIP switches...............................................................................................................................................................14
Adjusting the audio signal by means of the dial tone.................................................................................................................................................................18
Adjusting the volume of the transmission .............................................................................................................................................................................................18
Adjusting the volume of the ring tone..................................................................................................................................................................................................... 19
Adjusting the automatic audio transmission “Auto Audio”...................................................................................................................................................... 19
Making calls using the headset .................................................................................................................................................................... 20
Adjusting the volume ............................................................................................................................................................................................................................................20
Muting the headset’s microphone...............................................................................................................................................................................................................21
If you leave the DECT range...........................................................................................................................................................................................................................22
Calling via the xed line phone using the headset...................................................................................................................................................................... 23
Calling via the computer using the headset..................................................................................................................................................................................... 25
Making a conference call ..................................................................................................................................................................................................................................27
Charging the headset and storing the headset system..............................................................................................................29
Charging the headset.......................................................................................................................................................................................................................................... 29
Charging the headset using the optional CH 10 headset charger............................................................................................................................... 30
Switching the headset system o during extended non-use ........................................................................................................................................... 30
Sharing a workplace...............................................................................................................................................................................................31
Using the headset with a third party base station (DECT-GAP telephone).............................................................................................................31
Cleaning and maintaining the headset system..................................................................................................................................32
Replacing the ear pads....................................................................................................................................................................................................................................... 33
Replacing the headset’s rechargeable battery............................................................................................................................................................................... 34
If a problem occurs ...............................................................................................................................................................................................35
Specications............................................................................................................................................................................................................. 37

IMPACT D 10 Series headset system
Package contents2
Package contents
The scope of delivery includes – depending on the product purchased – a base station and/or a headset with
corresponding components.
Base stations with components
IMPACT D 10 USB ML IMPACT D 10 Phone
EU/UK/US/AU
Headsets with components
§
§
For safety instructions, consult the Safety Guide.
i
A list of accessories can be found on the product page at www.eposaudio.com.
IMPACT D 10 Series headset system
Product overview3
Product overview
Overview of the base station
Overview of the front
Incoming call LED
Magnetic holder with
charging contacts
Link LED
Charge status LED
Headset holder

IMPACT D 10 Series headset system
Product overview4
Overview of the rear – Phone version
Mic. Volume
Settings
Mode
0
36
9
1
A
B
C
23456
ABC switch
DC IN socket
PC socket (USB)
DIP switch
row 1 to 6
Set button
Phone socket
Microphone
volume control
Handset socket
ACC socket
Overview of the rear – USB version
Ring Volume
Settings
0
36
9
123456
Loudspeaker
DC IN socket
PC socket (USB)
DIP switch
row 1 to 6
Set button
Ring tone
volume control
IMPACT D 10 Series headset system
Product overview5
Overview of the headset
Microphone
Ear hook, adjustable
Headset LED
Link button
Audio button
Charging
contacts
Battery compartment
Ear piece
Headset holder
Ear pad
Headband

IMPACT D 10 Series headset system
Product overview6
Overview of the buttons
Functions Page
Link button
Establishes/disconnects the link between
headset and base station 20
Accepts/ends a call 20
5s Switches the headset on/o 30
Audio button Adjusts the ring tone volume and the volume of
the acoustic signals or the audio volume 20
Mutes the microphone/unmutes the microphone 21
5s
+ Link button:
Changes the direction of the volume up/down
function of the Audio button
21
+ Link button:
Special pairing mode 31
IMPACT D 10 Series headset system
Product overview7
Overview of the LEDs
Overview of the base station LEDs
Base station LED Meaning
Link LED
3x
Active link to the headset
3x
No link to the headset
3x
Headset is muted
3x
Standby mode, headset is within the range of the base station,
but no audio link
Incoming call LED
3x
Incoming call
Charge status LED
LED segment 1 ashes:
Rechargeable battery is almost at
LED segments 1 – 4 are lit:
Rechargeable battery is charged
Overview of the headset LED
Headset LED Meaning
3x
Headset is being charged in the base station
3x
Active link to base station
3x Rechargeable battery is almost at
3x
• Standby mode or headset is switched o
• Headset’s rechargeable battery is fully charged
3x
• Special pairing mode
• Direction of the volume up / down function of the
Audio button is being changed
• Pairing of an additional headset with the base station
• Conference call

IMPACT D 10 Series headset system
Setting up and connecting the base station8
Setting up and connecting the base station
D 10 USB D 10 Phone
Setting up the base station
click
XInsert the holder into the recess of the base station.
XPlace the base station at a minimum distance of 15 cm from the xed line phone.
Connecting the base station to the mains power supply
12
XConnect the plug of the power supply unit to the DC IN
socket (marked yellow).
XConnect the power supply unit to a wall socket.
The Link LED lights up red.
Disconnecting the base station from the mains power supply
XUnplug the power supply unit from the wall socket, if the product is not used for extended periods of time.
IMPACT D 10 Series headset system
Setting up and connecting the base station9
Connecting the base station to a xed line phone
XCheck which connection possibility is best suited for your telephone.
XFollow the instructions in the corresponding chapter.
Connection possibilities
• Connection to a xed line phone without headset socket A
• Connection to a xed line phone with headset socket B
• Connection to an optional mechanical handset lifter C
Connecting the base station to a xed line phone without headset socket
1
A
Mic. Volume
Settings
Mode
0
36
9
1
A
B
C
23456
P
C
2
Mic. Volume
Settings
Mode
0
36
9
1
A
B
C
23456
P
C
XDisconnect the handset cable from the telephone and
connect it to the Handset socket (marked gray) on the
base station.
XConnect the telephone cable to the handset socket on
the telephone and to the Phone socket (marked green)
on the base station.
XUse a pointed object (e.g. a ball pen) to set the DIP
switches 1and 2to the position shown.
Connecting the base station to a xed line phone with headset socket
1
B
Mic. Volume
Settings
Mode
0
36
9
1
A
B
C
23456
P
C
2
Mic. Volume
Settings
Mode
0
36
9
1
A
B
C
23456
0
36
9
123456
XConnect the telephone cable to the headset socket on
the telephone and to the Phone socket (marked green)
on the base station.
XUse a pointed object (e.g. a ball pen) to set the DIP
switches 1and 2to the position shown.

IMPACT D 10 Series headset system
Setting up and connecting the base station10
Connecting the base station to an optional mechanical handset lifter
The EPOS HSL 10 II mechanical handset lifter is an optional accessory available from your EPOS partner. The handset
lifter allows you to answer calls even when you are away from your desk.
1
C
2
Mic. Volume
Settings
Mode
0
36
9
1
A
B
C
23456
P
C
XConnect the base station to the xed line phone as
described in chapter A.
XConnect the handset lifter to the ACC socket on the
base station.
XConnect the handset lifter to the xed line phone. For
more information, refer to the instruction manual of the
HSL 10 II handset lifter.
Connecting the base station to an optional electronic hook switch control (EHS)
The necessary EHS connection cables as well as adapter cables for manufacturer specic standards are available from
your EPOS partner.
For further information concerning corresponding phones and cables visit www.eposaudio.com/compatibility.
Quick Guides are supplied with the cables or can be found on the product page on our website at
www.eposaudio.com.
1
D
Cisco
Alcatel
Polycom
Avaya
Snom
ShoreTel
Panasonic
Mic. Volume
Settings
Mode
0
36
9
1
A
B
C
23456
P
C
2
Mic. Volume
Settings
Mode
0
36
9
1
A
B
C
23456
0
36
9
123456
XConnect the base station to the xed line phone as
shown in the cable Quick Guide.
XUse a pointed object (e.g. a ball pen) to set the DIP
switch to the position shown in the cable Quick Guide.
IMPACT D 10 Series headset system
Setting up and connecting the base station11
Connecting the base station to a computer
Ring Volume
Settings
0
36
9
123456
XConnect the USB cable to the PC socket (marked orange) on the base station and to a USB socket of your computer.
The operating system detects the USB audio device and installs the necessary drivers.
Installing EPOS software
The EPOS software allows you to add value to your EPOS products. EPOS Connect enables easy set-up, conguration
and update of your D 10 series.
www.eposaudio.com/connect
x
EPOS Connect
XDownload the software from
www.eposaudio.com/connect.
XInstall the software.
To install the software, you need administrator rights on
your computer. If necessary, contact your IT department.
To make calls via the computer:
XInstall a softphone (VoIP Software), such as Skype for
Business or ask your admin for support.
Charging the headset
XCharge the rechargeable battery for at least 20 minutes without interruption before using it for the rst time.
A complete charging process takes about 60 minutes.
100%
XPlace the headset into the magnetic holder of the base
station.
The Headset LED lights up blue and the rechargeable
battery is being charged (see page 29).
During the rst charging process, it may take up to 5 minutes until the Headset LED lights up blue.

IMPACT D 10 Series headset system
Individually adjusting the headset12
Individually adjusting the headset
Using the headset with the ear hook
12
XChange wearing side – if required. XPre-shape the ear hook by bending it slightly.
34
XPlace the ear hook around your ear. XBend the exible ear hook so that the headset sits
comfortably and securely on your ear.
IMPACT D 10 Series headset system
Individually adjusting the headset13
Using the headset with the headband
12
click
XRemove the ear hook by carefully pulling it upwards. XAttach the headset to the headset holder of the
headband.
3
Left
Right
XRotate the microphone boom and adjust the headset so that the ear pad rests comfortably on your right or left ear.

IMPACT D 10 Series headset system
Conguring the headset system14
Conguring the headset system
Adjusting the headset system using the DIP switches
Extra
Settings
D 10 Phone
DHSG
MSH
Short Range
Auto Link ON
Narrowband
Limiter
Fast
Link
1 2 3 4 5 6 1 2 3 4 5 6
Long Range
Auto Link OFF
Wideband
Standard
Handset
Lifter
0
36
9
123456
Extra
Settings
D 10 USB
Ringtone
Ringtone
OFF
1
2
3
Ringtone
Short Range
Auto Link ON
Narrowband
Limiter
1 2 3 4 5 61 2 3 4 5 6
Long Range
Auto Link OFF
Wideband
Standard
0
36
9
123456
XUse a pointed object (e.g. a ball pen) to set the DIP switches to the desired position.
Conguring the handset lifter/hook switch – DIP switches 1 and 2
Switch position Function
Manual operation
Lifts/hangs up the handset manually or using the handset lifter HSL 10 II.
Electronic hook switch (DHSG standard)
Call control via the headset system.
For faster link establishment, see Fast Link.
Electronic hook switch (MSH standard)
Call control via the headset system.
Fast Link for DHSG standard and HSL 10 II handset lifter
Recommended for frequent callers.
Shorter battery life.
Fast link establishment without delay due to hidden link to the base station.
IMPACT D 10 Series headset system
Conguring the headset system15
Adjusting the ring tones of the base station – DIP switches 1 and 2
Switch position Function
Ring tone is o
Ring tone 1 is activated
Ring tone 2 is activated
Ring tone 3 is activated
Adjusting the radio range – DIP switch 3
If many DECT systems are operated in a conned space, interference can occur. In this case, you should change the
radio range.
10 m
Switch position Function
Standard radio range
Reduced radio range
Use this setting in order to avoid interference with other DECT systems
Range of approx. 10 m indoors

IMPACT D 10 Series headset system
Conguring the headset system16
Automatically establishing the wireless link between headset and base station (Auto Link) – DIP switch 4
Switch position Function
Manual link establishment
When taking the headset out of the base station, you have to manually establish the wireless
link between headset and base station.
Automatic link establishment – Auto Link
When taking the headset out of the base station, a wireless link is automatically established
between headset and base station.
Switching between wideband and narrowband audio transmission – DIP switch 5
Narrowband Wideband
Switch position Function
Wideband audio transmission
Automatic frequency adjustment of wideband and narrowband calls. Wideband audio
transmission is e.g. supported by Skype and gives high speech quality.
Battery life: 8 hours
Narrowband audio transmission
Battery life: 12 hours
IMPACT D 10 Series headset system
Conguring the headset system17
Limiting the volume – DIP switch 6
Switch position Function
Standard limitation
Limited volume (country specic)
• AU version: in compliance with Directive AS/ACIF G616:2006
• EU and US version: in compliance with Directive 2003/10/EC

IMPACT D 10 Series headset system
Conguring the headset system18
Adjusting the audio signal by means of the dial tone
12
click
XPut on the headset. XPress the Link button on the headset.
The Link LED on the base station lights up blue.
34
Mic. Volume
Settings
Mode
0
36
9
1
A
B
C
23456
XLift the handset.
You hear a dial tone.
XSet the ABC switch to the position A, Bor Cso that you
can hear a clear dial tone in the headset.
Adjusting the volume of the transmission
Adjusting the microphone volume of the call transmission
By default, the microphone volume control is set to position 4. This setting is suitable for most telephones.
12
Mic. Volume
Settings
Mode
0
36
9
1
A
B
C
23456
Mic. Volume
XMake a call to someone who will help you nd the
correct sensitivity setting for your microphone
(see page 15).
XTurn the microphone volume control so that the other
party can hear you at a comfortable level.
Adjusting the microphone volume of the USB transmission
XActivate this function in order to be able to optimally use the microphone and, via your operating system.
XAdjust the microphone sensitivity so that the other party can hear you at a comfortable level (see the Help function of
your operating system).
IMPACT D 10 Series headset system
Conguring the headset system19
Adjusting the volume of the ring tone
Adjusting the headset‘s ring tone volume and the volume of the acoustic signals
12
XMake sure that the headset is in standby mode (the Link
LED on the base station is o). If necessary, press the
Link button on the headset.
XMove the Audio button as shown in the diagram, to
adjust the volume. When the minimum or maximum
volume is reached, you hear a double beep in the
headset.
Adjusting the ring tone volume of the base station
Ring Volume
Settings
0
36
9
123456
Ring Volume
XTurn the volume control to reduce or increase the ring
tone volume.
Adjusting the automatic audio transmission “Auto Audio”
With the “Auto Audio” function activated and in the case of a USB connection, the audio signals – e.g. from Windows®
Media Player®or iTunes®– are automatically transmitted to the headset.
When you receive a call, the audio transmission stops and you hear for example the ring tone. The “Auto Audio” function is
activated by default.
0
36
9
123456
0
36
9
123456
5s
Activating the “Auto Audio” function
XUse a pointed object to press the Set button for
approx. 5 seconds.
The Link LED rapidly ashes blue several times.
Deactivating the “Auto Audio” function
XUse a pointed object to press the Set button for
approx. 5 seconds.
The Link LED rapidly ashes red several times.

IMPACT D 10 Series headset system
Making calls using the headset20
Making calls using the headset
Adjusting the volume
CAUTION
Hearing damage due to high volumes!
Listening at high volume levels for long periods can lead to permanent hearing defects.
XSet the volume to a low level before putting on the headset.
XDo not continuously expose yourself to high volumes.
Adjusting the volume of the audio signal
You can adjust the volume of the audio signal by means of the dial tone or during a call.
XMake sure that a link is established between headset
and base station (the Link LED on the base station lights
up blue).
If necessary, press the Link button on the headset.
XMove the Audio button as shown in the diagram, to
adjust the volume.
When the minimum or maximum volume is reached, you
hear a double beep in the headset.
IMPACT D 10 Series headset system
Making calls using the headset21
Changing the direction of the volume up/down function
12
5s
XOn the Audio button, check which direction is assigned
“volume down”.
XSimultaneously press and hold the Link button and the
Audio button for 5 seconds.
The Headset LED alternately ashes blue/red.
3
5s
4
XPush the Audio button in the direction “volume down”
until the Headset LED goes o.
The direction of the volume up/down function of the Audio
button is changed. The headset switches to standby mode.
Muting the headset’s microphone
XPress the Audio button.
The microphone is muted. While the microphone is muted, the Link LED on the base station ashes red.
Unmuting the headset’s microphone
XPress the Audio button.
You hear a beep in the headset. The muting is canceled and the Link LED on the base station lights up blue.

IMPACT D 10 Series headset system
Making calls using the headset22
If you leave the DECT range
In normal oce buildings, the range between headset and
base station is up to 55 m.
If, during a call, the audio quality deteriorates or the link
breaks down completely, you hear a descending sequence
of beeps in the headset. The Link LED on the base station
lights up red.
XRe-enter the DECT range of the base station within
60 seconds.
You hear a ring tone in the headset.
XPress the Link button on the headset to resume the call.
If your softphone supports call control, the call will
automatically be ended 60 seconds after leaving the
DECT range.
IMPACT D 10 Series headset system
Making calls using the headset23
Calling via the xed line phone using the headset
Establishing/disconnecting a wireless link
If you want to use the headset to accept, make or end calls, you have to establish a wireless link between headset and
base station. You can choose between manual and automatic link establishment (see “Auto Link” on page 16):
click
X
Press the Link button on the headset.
–The link is established. The Link LED on the base station lights up blue and the Headset LED ashes blue slowly. OR
–The link is disconnected. The Link LED on the base station and the Headset LED go o. The headset is in standby
mode.
i
If your telephone has a built-in electronic hook switch supporting the MSH standard, you can only disconnect
the wireless link between headset and base station by placing the headset into the base station.
Managing calls without using a call control functionality
Accepting a call: You hear the ring tone of the xed line phone.
click
X
Press the Link button on the headset.
X
Lift the handset or press the “accept call” button on your xed line phone.
Making a call:
click
X
Press the Link button on the headset to establish a link between base station and headset.
X
Lift the handset and dial the desired number. The phone connection is established.
Ending a call:
X
Hang up the handset or press the “end call” button on your xed line phone.

IMPACT D 10 Series headset system
Making calls using the headset24
Managing calls using a call control functionality (EHS, HSL 10 II)
Accepting a call: You hear a ring tone in the headset.
click
XPress the Link button on the headset to accept the call.
The handset lifter/electronic hook switch lifts the handset.
Making a call:
click
XDial the desired number.
XPress the Link button on the headset to establish a link between base station and headset.
The phone connection is established automatically.
Ending a call:
XPress the Link button. If the other party hangs up, your telephone and your headset become automatically ready to
receive the next call.
Frequent callers who use an electronic hook switch with DHSG capability are recommended to activate the “Fast Link”
function for faster link establishment (see page 14).
Fast Link for DHSG standard and HSL 10 II handset lifter
Recommended for frequent callers.
Shorter battery life.
Fast link establishment without delay due to hidden link to the base station.
Switching a call between headset and xed line phone
XPress the Link button on the headset to switch between headset and handset of the xed line phone during an
ongoing call.
i
In case of a fixed line phone with a handset lifter/an electronic hook switch, this switching can only be done on
the fixed line phone.
IMPACT D 10 Series headset system
Making calls using the headset25
Calling via the computer using the headset
Establishing/disconnecting a wireless link
If you want to use the headset to accept, make or end calls, you have to establish a wireless link between headset and
base station. You can choose between manual and automatic link establishment (see “Auto Link” on page 16):
click
XPress the Link button on the headset.
–The link is established. The Link LED on the base station lights up blue and the Headset LED ashes blue slowly. OR
–The link is disconnected. The Link LED on the base station and the Headset LED go o. The headset is in standby
mode.
Managing calls via the softphone
Accepting a call: The softphone signals that you are receiving a call. You hear a ring tone in the headset.
click
XClick on “Accept call” on your softphone.
Making a call:
click
click
XPress the Link button on the headset to establish a link between base station and headset. If the “Auto Audio” function
is activated, this step is not necessary (see page 19).
XStart the call using your softphone.
Ending a call:
click
XEnd the call using your softphone.

IMPACT D 10 Series headset system
Making calls using the headset26
Managing calls using the “EPOS Connect” call control functionality
Accepting a call: The softphone signals that you are receiving a call. You hear a ring tone in the headset.
click
XPress the Link button on the headset to accept the call.
Making a call:
clickclick
XStart the call using your softphone, the audio signal is automatically transmitted to the headset.
Ending a call:
click
XPress the Link button. If the other party hangs up, your softphone and your headset become automatically ready to
receive the next call.
IMPACT D 10 Series headset system
Making calls using the headset27
Making a conference call
The headset system allows you to make a conference call
with up to 4 D 10 series headsets.
The rst headset paired (master) is used control the call
establishment and end of conversation.
Pairing the MASTER headset with the base station
The Link LED on the base station is o (headset is disconnected) or lights up red (no headset paired).
1
3x
2
click
XPlace the master headset into the base station.
The Headset LED alternately ashes blue/red until a
link to the base station is established. The Headset LED
ashes blue 3 times.
XTake the headset out of the base station and press
the Link button to connect the headset with the base
station.
The Link LED on the base station lights up blue.
Adding a GUEST headset to a conference call
3
3x
4
MASTER
15s
XPress and hold the Audio button while placing the guest
headset into the base station of the master headset.
The Headset LED alternately ashes blue/red until a
link to the base station is established. The Headset LED
ashes blue 3 times.
XTake the guest headset out of the base station. You hear
a beep in the master headset.
XPress the Link button on the master headset within
15 seconds, to add the guest headset to the conference
call.
XRepeat this procedure to add additional guest headsets
to the conference call.

IMPACT D 10 Series headset system
Making calls using the headset28
5
GUEST 1
GUEST 3
GUEST 2
MASTER
6
Making a call
XCall the other party.
The Link LED on the base station ashes blue.
Dropping a GUEST headset from the conference call
XPress the Link button on the guest headset. The guest
headset is dropped from the conference call.
Ending a conference call
XPlace the master headset into the magnetic holder of
the base station to end the conference call and to drop
the guest headsets from the conference call.
i
Easy pairing
To subsequently use the guest headset with other base stations, place the guest headsets into the other base
stations. The Headset LED alternately flashes blue/red until a link is established.
IMPACT D 10 Series headset system
Charging the headset and storing the headset system29
Charging the headset and storing the headset system
Charging the headset
Always store the headset in the base station to ensure that it is fully charged when needed. The intelligent battery
charging technology prevents over-charging.
100%
XPlace the headset into the magnetic holder of the base
station.
The Headset LED lights up blue and the rechargeable
battery is being charged. The Charge status LED on the
base station indicates the charge status.
LED segment Required charging time Corresponds to a talk time of
Wideband Narrowband
approx. 10 minutes approx. 2 hour approx. 3 hours
approx. 20 minutes approx. 4 hours approx. 6 hours
approx. 40 minutes approx. 6 hours approx. 9hours
approx. 60 minutes approx. 8 hours approx. 12 hours
Shortly before the rechargeable battery is about to run at, only one LED segment lights up weakly. The Headset LED
ashes red and you hear three beeps. You have several minutes of battery reserve. When the rechargeable battery is at,
the headset switches o.
i
If the headset is outside the range of the base station, it will switch o after 30 minutes in order to conserve
battery power.

IMPACT D 10 Series headset system
Charging the headset and storing the headset system30
Charging the headset using the optional CH 10 headset charger
The CH 10 headset charger is an optional accessory available from your EPOS partner. The CH 10 allows you to charge
additional D 10 series headsets, e.g. for sharing the same base station when working shifts. Several CH 10 in connection
with the MCH 7 allow to charge up to 7 headsets simultaneously.
XRefer to the Quick Guide of the CH 10 or MCH 7 for more information.
MCH 7
Switching the headset system o during extended non-use
You can switch o the headset system or the headset when not using the products for extended periods of time
(e.g. when you are on holiday).
Switching the headset system o
3x
click
5s
XDisconnect the base station from the mains power
supply.
The base station switches o immediately, the headset
switches o about 30 minutes later.
XPress and hold the Link button for 5 seconds to switch
o the headset immediately.
The Headset LED ashes 3 times red, the headset is
switched o completely. The Link LED on the base
station lights up red after a short time, the Charge
status LED on the base station goes o.
Switching the headset system on and pairing the components
XPlug the power supply unit into a wall socket. The base station is switched on.
XPlace the headset into the magnetic holder of the base station. The Headset LED ashes 3 times blue and then lights
up blue. The base station and the headset are paired.
IMPACT D 10 Series headset system
Sharing a workplace31
Sharing a workplace
The headsets and base stations of the D 10 series are compatible with each other. If, for example, you share a workplace,
you can use one base station with dierent headsets. The last headset paired with the base station can be used without
more ado.
Erik
Tina 3x
XPlace the headset to be used into the magnetic holder
of the base station.
The Headset LED alternately ashes blue/red until the
headset is successfully paired with the base station. The
Headset LED ashes 3 times blue and then goes o. You
can now use the newly paired headset.
If pairing has failed, the Link LED on the base station
lights up red or is o. Repeat the procedure.
Using the headset with a third party base station (DECT-GAP telephone)
5s
XPlace the headset at a maximum distance of 1 m from
the third party base station.
XSimultaneously press and hold the headset’s Link button
and Audio button for 5 seconds.
The headset switches to a special pairing mode and the
Headset LED alternately ashes blue/red.
XSet the third party base station to a special pairing
mode (see the instruction manual of the third party
base station). The default code for the headset is
“0000”.
The headset pairs with the third party base station. If
pairing is successful, the Headset LED goes o.
If pairing is not successful within 60 seconds, the headset switches back to standby mode.
Pairing the headset again with a D 10 series base station
XSimultaneously press and hold the headset’s Link button and Audio button for 5 seconds.
The headset switches to a special pairing mode and the Headset LED alternately ashes blue/red.
XPlace the headset into the magnetic holder of the base station. The Headset LED ashes 3 times blue and then lights
up blue. The base station and the headset are paired.

IMPACT D 10 Series headset system
Cleaning and maintaining the headset system32
Cleaning and maintaining the headset system
CAUTION
Liquids can damage the electronics of the product!
Liquids entering the housing of the device can cause a short circuit and damage the electronics.
XKeep all liquids far away from the product.
XDo not use any cleansing agents or solvents.
XBefore cleaning, disconnect the base station from the
mains power supply.
XOnly use a dry and soft cloth to clean the product.
XClean the charging contacts of the base station and the charging contacts of the headset from time to time using e.g.
a cotton swab.
IMPACT D 10 Series headset system
Cleaning and maintaining the headset system33
Replacing the ear pads
For reasons of hygiene, you should replace the ear pads from time to time. Spare ear pads are available from your EPOS
partner.
A
B
XCarefully remove the old ear pad from the ear cup.
XMake sure that the fastening ring of the old ear pad is
also removed from the ear cup.
XPull the collar Bof the ear pad over the notch Aof the
headband.
XTurn the ear pad counter-clockwise over the notch until
the collar completely surrounds the ear cup.

IMPACT D 10 Series headset system
Cleaning and maintaining the headset system34
Replacing the headset’s rechargeable battery
CAUTION
Danger of damage to the product!
In extreme cases, abuse or misuse of rechargeable batteries or non-original EPOS batteries can lead to explosion, re
development, heat generation or smoke/gas development.
XOnly use original EPOS spare rechargeable batteries. Spare rechargeable batteries are available from your EPOS
partner.
CAUTION
Damage to the product due to improper handling
The cables can be kinked or damaged if you open the battery compartment too jerkily.
XCarefully open the battery compartment and loosen the connector plug of the rechargeable battery.
12
XRemove the earhook or the headband (see page 12)
and open the battery compartment.
XCarefully move the battery compartment cover in
the direction of the arrow until you overcome a slight
resistance.
XRemove the rechargeable battery and carefully loosen
the connector plug of the rechargeable battery.
34
click
XInsert the connector plug of the new rechargeable
battery into the connection socket. Observe correct
orientation of the connector plug.
XClose the battery compartment.
IMPACT D 10 Series headset system
If a problem occurs ...35
If a problem occurs ...
Problem Possible cause Solution Page
Headset is placed into
the base station but the
Charge status LED if o
Base station is not connected to
the mains power supply
XConnect the base station to the mains
power supply.
8
Rechargeable battery is deep
discharged
XWait several minutes until the Charge
status LED lights up.
29
For quick-charging the headset:
XBriey press the Set button at the rear of
the base station.
–
Link between headset and
base station cannot be
established
Headset is not paired with the base
station, the Link LED lights up red
XPlace the headset into the base station. 29
Base station is only connected via
the USB cable
XConnect the base station to the mains
power supply.
8
Bad radio link between
headset and base station
Transmission range is exceeded XReduce the distance between headset
and base station.
–
XAdjust the radio range. 15
Noise interference and
connection loss
Microphone rubs on the cheek or
perhaps the beard
XBend the microphone boom so that the
microphone is about 0.8 - 1.2” (2 - 3 cm)
from the corner of your mouth.
12
Too many DECT systems within the
radio range
XReduce the radio range. 15
XSet the base station to narrowband
transmission.
16
Distance between base station and
xed line phone is so small that
interference occurs
XIncrease the distance between base
station and xed line phone.
–
Rechargeable battery
cannot be charged
Charging contacts of the headset
or the base station are dirty
XClean the charging contacts on the
headset and on the base station.
32
Rechargeable battery is defective/
worn out
XReplace the defective rechargeable
battery with a new one.
34
Headset is not properly placed in
the base station
XCheck if the headset is properly placed
into the magnetic holder.
29
Sound from the xed line
phone is distorted and
disturbed
Base station is not adjusted to the
xed line phone
XUse the ABC switch to adjust the base
station to your xed line phone.
18
No acoustic signal to be
heard in the headset
The volume is reduced when the
headset is in idle mode.
XIncrease the volume while you are not on
a call.
18
The talk time is reduced Overaged rechargeable battery XReplace the overaged rechargeable
battery with a new one.
34
Large distance between base
station and headset
XReduce the distance if possible. Larger
distances require a higher transmission
power and reduce the talk time.
–
Many DECT systems in the same
area
XSwitch o DECT systems that are
currently not required. Congestion
requires a higher transmission power and
reduces the talk time.
How many DECT systems can be used in
the same room? This depends on various
conditions:
• up to 40 D 10 systems in narrowband
mode (Americas)
• up to 80 D 10 systems in narrowband
mode (Rest of World)
–
Narrowband/wideband setting XSet the base station to narrowband
transmission as it requires less power
than wideband transmission.
16

IMPACT D 10 Series headset system
If a problem occurs ...36
Problem Possible cause Solution Page
Bad audio quality, the
other party sounds too
low or too loud
Microphone sensitivity is not
correctly adjusted
XAdjust the microphone sensitivity. 18
Microphone is too far away from
your mouth
XAdjust the microphone position. 12
Bad audio quality, you
sound distorted/echoing
to the other party, who
also hears background
noise
Microphone sensitivity is not
correctly adjusted
XAdjust the microphone sensitivity. 18
If a problem occurs that is not listed in the above table or if the problem cannot be solved with the proposed solutions,
please contact your local EPOS partner for assistance.
To nd a EPOS partner in your country, search at www.eposaudio.com.
Restoring factory default settings (Reset)
Mic. Volume
Settings
Mode
0
36
9
1
A
B
C
23456
0
36
9
123456
1s
+OR
XDisconnect the base station from the USB cable and the mains.
XUse a pointed object to press the Set button for approx. 1 second while reconnecting either the mains or the USB
connection to the base station.
The factory default settings are restored.
IMPACT D 10 Series headset system
Specications37
Specications
Headset D 10 HS
Dimensions (W x H x D) 140 x 24 x 22 mm
Weight with... ear hook: approx. 22 g
headband: approx. 45 g
Talk time narrowband: up to 12 hours
wideband: up to 8 hours
Charging time 50%: approx. 20 min
100%: approx. 1 hour
Range (environment dependent) free line of sight: up to 180 m
in office buildings: up to 55 m
Rechargeable battery (built-in) Lithium Polymer; 3.7 V; 215 mAh
Output power EU/AUS: 24 dbm/250 mW
USA/CAN: 20.4 dbm/100 mW
Speaker type dynamic, neodymium magnet
Microphone type electret microphone, noise canceling
Operating temperature range +5 °C to +45 °C / +41 °F to +113 °F
Storage temperature range –20 °C to +70 °C / –4 °F to +158 °F
Base station
Dimensions (W x H x D) 88 x 119 x 100 mm
Weight D 10 BS Phone: approx. 352 g
D 10 BS USB: approx. 328 g
Operating temperature range +5 °C to +45 °C / +41 °F to +113 °F
Storage temperature range –20 °C to +70 °C / –4 °F to +158 °F
Power supply unit
Nominal input voltage 100 – 240 V~
Nominal input current max. 0.2 A
Mains frequency 50 – 60 Hz
Nominal output voltage 5.9 V $
Nominal output current max. 850 mA
Operating temperature range +5 °C to +45 °C / +41 °F to +113 °F
Storage temperature range –20 °C to +70 °C / –4 °F to +158 °F
Relative humidity operation: 20 to 85%
storage: 20 to 95%
Weight approx. 75 g / 2.65 oz / 0.17 lbs
DECT EU, UK, AU: CAT IQ 1.0 US version: DECT 6.0
Frequency 1,880 to 1,900 MHz 1,920 to 1,930 MHz
SAR value of D 10 HS Ear hook: 0.029W/kg
Headband: 0.050 W/kg
0.048W/kg
In compliance with
EMC EN 301489-6
Radio EN 301406
Safety EN 60950-1
SAR EN 50360 ref EN 62209-1 (headset)

IMPACT D 10 Series headset system
Specications38
DSEA A/S
Kongebakken 9, DK-2765 Smørum, Denmark
www.eposaudio.com
Publ. 04/21, A07